Roller skate frame



FIG. 1 is a perspective view of a roller skate frame shown my new design;

FIG. 2 is a front elevational view thereof; and the rear elevational being a mirror image of that shown;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a roller skate frame, as shown and described. 